US4675996A - Box knife - Google Patents
Box knife Download PDFInfo
- Publication number
- US4675996A US4675996A US06/850,485 US85048586A US4675996A US 4675996 A US4675996 A US 4675996A US 85048586 A US85048586 A US 85048586A US 4675996 A US4675996 A US 4675996A
- Authority
- US
- United States
- Prior art keywords
- handle
- blade
- guards
- cutting edge
- knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B29/00—Guards or sheaths or guides for hand cutting tools; Arrangements for guiding hand cutting tools
- B26B29/02—Guards or sheaths for knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/30—Hand-operated cutting devices
Definitions
- This invention relates in general to knives, and more particularly to a knife which is particularly suited for slitting sheet material, such as corrugated paperboard.
- the typical box knife consists of nothing more than a handle which contains a retractable blade holder or carrier, and the blade carrier, as its name implies, holds a blade.
- the carrier When the carrier is extended it projects the blade beyond the end of the handle where its cutting edge is exposed more or less as an extension of the lower surface of the handle.
- To use the knife to open a corrugated paperboard box one merely grasps the knife handle and runs the cutting edge of the blade along walls of the box, urging the handle inwardly with enough force to enable the blade to penetrate and actually slit the box.
- One of the principal objects of the present invention is to provide a knife which is suitable for slitting corrugated paperboard and other sheet material, yet is quite safe to use. Another object is to provide a knife of the type stated having guards which spring out to shield the blade the instant the blade comes out of a slit or other cut along which it is advanced. A further object is to provide a knife of the type stated having guards which easily retract and do not interfere with the insertion of the knife blade into corrugated paperboard or other material. An additional object is to provide a knife of the type stated in which the guards are pivoted on the knife handle and have curved leading and lower edges so as to roll along the sheet material to be cut as the knife blade penetrates that material. Still another object is to provide a knife of the type stated which is simple and durable in construction and economical to manufacture. Yet another object is to provide an adapter for providing a conventional box knife with guards of the type described.
- FIG. 1 is a perspective view of a box knife constructed in accordance with and embodying the present invention
- FIG. 2 is a fragmentary sectional view of the box knife taken along line 2--2 of FIG. 1 and showing the blade projected outwardly at the end of the handle, yet protected by one of the guards;
- FIG. 3 is a sectional view taken along line 3--3 of FIG. 1;
- FIG. 4 is an exploded perspective view of the knife
- FIG. 5 is a sequential view showing the knife as it is brought against sheet material and then forced into the sheet material and finally drawn along the sheet material to create a slit;
- FIG. 6 is a perspective view showing the conventional box knife provided with a protective device constructed in accordance with the present invention, but the protective device being illustrated detached from the conventional knife.
- a box knife A (FIGS. 1-5) is designed for cutting corrugated paperboard and other sheet material and hence is ideally suited for slitting the walls of corrugated paperboard boxes so as to open such boxes.
- the blade of the knife A is covered the instant it is withdrawn from a cut, so it is less likely to inflict injury when inattentively used or left unprotected.
- the knife A comprises four components, namely a handle 2, a blade holder or carrier 4 which fits into the handle 2, a blade 6 which is retained in the blade carrier 4, and spring loaded guards 8 which are attached to the handle and shield the blade 6 when the blade 6 is not in use.
- the handle 2 is quite thin, yet hollow, and has a longitudinal axis x. It consists of a flat side wall 12, a slightly depressed side wall 14 and upper and lower edge walls 16 and 18 which extend between the upper and lower margins respectively of the two side walls 16 and 18--but all of the walls 12, 14, 16, and 18 are parallel to the longitudinal axis x.
- the two side walls 12 and 14 are cut away to provide an arcuate cutout 20 (FIGS. 1 & 4), and in addition, the depressed side wall 14 is further cut away to provide another, although smaller, cutout 22 which is generally semicircular in shape and opens into the larger cutout 20 for that wall.
- the lower edge wall 18 terminates short of the opposite end of the handle 2 and here the two side walls 12 and 14 have oblique edges 24 which lead out to the very front of the handle 2. Indeed, the interior of the handle 2 is exposed at the front of the handle 2 and also along the oblique edges 24. Also at the front of the handle 2, the two side walls 12 and 14 merge into pivot tabs 26 which project upwardly above the upper edge wall 16 and at their upper ends are provided with outwardly directed stop flanges 28.
- the spacing between the two tabs 26 equals or is slightly greater than the spacing between the two side walls 12 and 14, and indeed the tabs 26 are separated by a collar 30 (FIG. 3) which maintains the appropriate spacing.
- the collar 30 as well as the tabs 26 at each end of it receive a pivot pin 32 which further projects slightly beyond each of the two tabs 26 to provide journals on which the blade guards 8 pivot.
- the blade carrier 4 fits snugly into the hollow interior of the handle 2 and consists of two side walls 34, 36 both of which extend the full length of the carrier 4 and are compressed between the two side walls 12 and 14 of the carrier 4.
- the side wall 36 midway between its ends bulges slightly away from the side wall 34 and the spacing between the flat side wall 12 and the depressed side wall 14 in the depressed region of the latter is perhaps somewhat less than the thickness of the carrier 4 at the bulge in it, so that the depressed portion of the handle side wall 14 urges the carrier 4 against the flat handle side wall 12.
- the carrier 4 while being free to slide into and out of the handle 2, is nevertheless held with a considerable amount of friction at any position to which it is moved.
- the depressed configuration of the handle side wall 14 enables it to yield or spring outwardly to accommodate variances in the thickness of blade carrier 4, yet maintain a firm frictional grip on the carrier 4.
- the side wall 34 of the carrier 4 is presented toward the flat side wall 12 of the handle 2, whereas the other side wall 36 of the carrier 4 is presented toward the depressed side wall 14 of the handle 2, so it is the bulging portion of the carrier side wall 34 against which the depressed midportion of the handle wall 14 bears.
- the carrier 8 is moreover somewhat longer than the handle 2, and at its rear each of its walls 34 and 36 flares somewhat outwardly to provide a grip 38 which is too thick to fit into the interior of the handle 2, yet the grip 38 along its front surfaces is accessible from the arcuate cutouts 20 in the two side walls 12 and 14 of the handle 2.
- the carrier 4 is actually a single strip of metal which is doubled back over upon itself to provide the two side walls 34 and 36 which are joined at a fold 42 (FIG. 4), and this fold, when the carrier 4 is fully inserted into the handle 2, is located along and in general registration with the front margins of the two side walls 12 and 14 on the handle 2 (FIG. 2).
- the fold 42 is relatively short inasmuch as the side walls 34 and 36 of the carrier 4 at the front end of the carrier 8 have oblique margins 44 which align with the oblique edges 24 on the handle 2 when the carrier 4 is fully inserted into the handle 2.
- the blade 6 is a conventional cutting blade that is readily available at hardware stores, paint stores and the like, it being sold primarily for use in various knives and scrapers which are designed to accommodate it. More specifically, the blade 6 has a thin rectangular portion 48 (FIG. 4) which along one of its longer margins is ground to a sharp cutting edge 50. Along the opposite margin the rectangular portion 48 is fitted with a band 52 which folds over that margin and extends along both faces of the rectangular portion 48 parallel to the cutting edge 50, it being secured firmly to the rectangular portion 48. The band 52 is about the size of the rectangular cutout 46 in the carrier 4 and indeed fits within the rectangular cutout 46 when the blade 6 is properly inserted within the carrier 4.
- the carrier 4 To insert the blade 6 into the carrier 4, the carrier 4 must first be withdrawn from the handle 2. Then the cutting edge 50 on the thin rectangular portion 48 of the blade 6 is aligned with the lower margin of the cutout 46 in the carrier 4 (FIG. 4) and then the rectangular portion 48 is forced between the two side walls 34 and 36 of carrier 4 until the band 52 of the blade 6 seats against the two margins of the cutout 46 (FIG. 2). When the blade 6 is so fitted, the band 52 completely fills the cutout 46 and in effect forms a continuation of the two walls 34 and 36 that constitute the carrier 4.
- the cutting edge 50 while being parallel to the lower edges of the carrier side walls 34 and 36 is set only slightly higher than those edges.
- the front or blade-carrying end of the carrier 4 is then aligned with the rear of the handle 2, and the carrier 4 is advanced through the handle 2 until the cylindrical boss 40 on its one side 36 seats within the smaller cutout 22 at the rear of the depressed wall 14 for the handle 2.
- the triangular segment of the blade 6 which projects beyond the oblique margins 44 of the carrier 4 likewise project beyond the oblique edges of the handle 2, thereby exposing the cutting edge 50 generally as a continuation of the lower edge wall 18 for the handle 2 (FIG. 2). It is this segment of the blade 6 which is used for cutting purposes, and when the edge 50 along it becomes dull, the blade 6 may merely be reversed to expose the segment formerly clamped between the two carrier side walls 34 and 36.
- the blade 6 is held firmly in the handle 2 by reason of its thin rectangular portion 48 being clamped tightly between the side walls 34 and 36 of the carrier 4 and restrained at its leading end by the fold 42 and further by reason of its band 52 being captured between the margins of the cutout 46 and the overlying upper edge wall 16 of the handle 2.
- its cutting edge 50 is parallel to the longitudinal axis x of the handle 2.
- the two blade guards 8 are attached to the pivot tabs 26 at the single pivot pin 32 which extends through those tabs 26, there being a separate guard 8 beyond each of the handle side walls 12 and 14 (FIGS. 1 & 2). Moreover, each guard 8 is free to rotate on the pivot pin 32 through a limited arc of about 60° , with the limits of that rotation being established by the stop flanges 28 which project outwardly from tabs 26. Each guard 8 is urged to its forwardmost limit, that is to an extended position, by a spring 54 which winds around the pin 32 beyond each tab 26 and is further engaged with each of the guards 8.
- each guard 8 When the two blade guards 8 are so disposed, they are located to the sides of the exposed triangular segment of the blade 6 and further project below the cutting edge 50 so as to shield the blade 6 and thereby prevent its cutting edge 50 from presenting a hazard.
- the guard 8 when each guard 8 is moved rearwardly to the opposite end of its arc, that is to a fully retracted position, the guard 8 lies completely behind the oblique edges 24 of the handle 2 to expose the triangular segment of the blade 6.
- the spring 54 exerts its biasing force on each of the guards 8, yet allows the guards 8 to move independently of each other.
- the spring 54 has two sections--one for each guard 8--and these sections are connected at a cross piece 68 which is located behind the pivot tabs 26 and beneath the flanges 28 and further spans the gap between the two tabs 26.
- the cutting edge 50 thereupon cuts into the sheet material, entering that material to the full extent of the projection of the blade 6 beyond the handle 2.
- the guards 8 at their curved front corners 66 and curved front margins 56 merely roll along the sheet material and thus pivot toward their retracted positions.
- the blade 2 is forced into the sheet material until the oblique edges 24 at the front end of the handle 2 come against the surface of the sheet material (FIG. 5c). In this condition, the curved front margins 56 of the two guards 8 are against the surface of the sheet material.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Knives (AREA)
Abstract
Description
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/850,485 US4675996A (en) | 1986-04-11 | 1986-04-11 | Box knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/850,485 US4675996A (en) | 1986-04-11 | 1986-04-11 | Box knife |
Publications (1)
Publication Number | Publication Date |
---|---|
US4675996A true US4675996A (en) | 1987-06-30 |
Family
ID=25308255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/850,485 Expired - Fee Related US4675996A (en) | 1986-04-11 | 1986-04-11 | Box knife |
Country Status (1)
Country | Link |
---|---|
US (1) | US4675996A (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970778A (en) * | 1987-11-03 | 1990-11-20 | Amp Incorporated | Apparatus for connecting electrical connectors to cable |
US4987682A (en) * | 1989-07-17 | 1991-01-29 | Minnick Debra K | Safety device for utility knives and the like |
US5054198A (en) * | 1990-07-05 | 1991-10-08 | Cosco Industries, Inc. | Carton opener |
US5221031A (en) * | 1991-12-11 | 1993-06-22 | Prigmore Raymond L | Body-mounted cutting apparatus |
US5241750A (en) * | 1992-04-30 | 1993-09-07 | Chomiak Bryant D | Utility razor safety knife |
US5285574A (en) * | 1992-11-06 | 1994-02-15 | Cosco Industries, Inc. | Carton opener |
US5293791A (en) * | 1992-10-01 | 1994-03-15 | Allen Eldon D | Tool for stripping electrical high voltage cable insulation |
US5303469A (en) * | 1993-04-15 | 1994-04-19 | Yin Han Huang | Cutter knife |
US5319853A (en) * | 1992-11-02 | 1994-06-14 | Great Neck Saw Manufacturing, Inc. | Scraper |
US5386632A (en) * | 1993-01-12 | 1995-02-07 | Pacific Handy Cutter, Inc. | Ergonomic utility knife/box cutter and method of making |
US5478346A (en) * | 1992-11-14 | 1995-12-26 | Granton Ragg Limited | Scalpel |
US5522135A (en) * | 1994-09-06 | 1996-06-04 | Spellbound Development Group | Box opener |
US5697157A (en) * | 1996-09-13 | 1997-12-16 | Spellbound Development Group | Heavy-duty box opener |
US5852874A (en) * | 1997-02-19 | 1998-12-29 | Walker; Henry F. | Carton cutting device having a pivotal guard member |
USD430466S (en) * | 1999-10-11 | 2000-09-05 | Schmidt G Gerry | Utility knife blade guard |
US6178640B1 (en) | 1999-08-09 | 2001-01-30 | Spellbound Development Group, Inc. | Slitter device |
US6308418B1 (en) | 1999-03-25 | 2001-10-30 | Gary B. Sweet | Utility knife |
US20030019337A1 (en) * | 2001-07-25 | 2003-01-30 | S Twenty One International, Inc | Cutting device and method of use |
US6543140B1 (en) | 2000-07-05 | 2003-04-08 | Adco Industries | Utility knife having improved blade carrier structure and method of manufacture thereof |
US20030079347A1 (en) * | 2001-10-25 | 2003-05-01 | Adco Industries, Inc. | Box cutter with deflectable safety shield |
US6560873B1 (en) * | 1999-11-12 | 2003-05-13 | Mel Wayne Ortner | Automatic safety knife |
US20030140746A1 (en) * | 2002-01-31 | 2003-07-31 | Jyuro Yamagishi | Package opening cutter |
US6637112B2 (en) | 2001-10-25 | 2003-10-28 | Dallco Marketing, Inc. | Box cutter with deflectable safety shield |
US20030229988A1 (en) * | 2000-06-08 | 2003-12-18 | Jennings Dale E. | Safety cutter with retracting guard |
US20040093734A1 (en) * | 2002-11-19 | 2004-05-20 | Earl Votolato | Safety cutting apparatus |
US20050086812A1 (en) * | 2003-10-28 | 2005-04-28 | Votolato Earl J. | Utility knife with dual retractable cutting guides |
US20050217114A1 (en) * | 2004-04-05 | 2005-10-06 | Earl Votolato | Disposable blade cartridge utility knife |
US7024772B1 (en) * | 2001-11-21 | 2006-04-11 | Specmaster Inc. | Case knife with multiple position blade guards |
US20060277761A1 (en) * | 2005-06-13 | 2006-12-14 | Hagan John T | Saw tool |
US20100224046A1 (en) * | 2007-04-27 | 2010-09-09 | Howard George Osbourne | Saw guide |
US8099868B1 (en) | 2004-04-05 | 2012-01-24 | Votolato Living Trust | Disposable blade cartridge utility knife |
US20120124843A1 (en) * | 2010-11-24 | 2012-05-24 | Robert Reibold | Utility knife |
US20170275036A1 (en) * | 2016-03-28 | 2017-09-28 | Pregis Innovative Packaging Llc | Blade holder for inflation and sealing device |
US9840013B2 (en) | 2008-04-29 | 2017-12-12 | Pacific Handy Cutter, Inc. | Safety cutter with blade change/storage mechanism |
CN108438395A (en) * | 2016-08-22 | 2018-08-24 | 徐勤凤 | Flexible bale breaker |
AU2021204980A1 (en) * | 2021-07-12 | 2023-02-02 | Industro International Co., Ltd. | Safe box cutter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2695447A (en) * | 1953-10-13 | 1954-11-30 | Maynard Todd | Carton opening tool |
US2730800A (en) * | 1954-06-28 | 1956-01-17 | Russell L Bailey | Safety paper box cutter |
US3406447A (en) * | 1966-10-19 | 1968-10-22 | Constantine J. Travlos | Carton cutter |
US3781988A (en) * | 1972-08-29 | 1974-01-01 | R Jones | Safety paper carton opening blade holder |
-
1986
- 1986-04-11 US US06/850,485 patent/US4675996A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2695447A (en) * | 1953-10-13 | 1954-11-30 | Maynard Todd | Carton opening tool |
US2730800A (en) * | 1954-06-28 | 1956-01-17 | Russell L Bailey | Safety paper box cutter |
US3406447A (en) * | 1966-10-19 | 1968-10-22 | Constantine J. Travlos | Carton cutter |
US3781988A (en) * | 1972-08-29 | 1974-01-01 | R Jones | Safety paper carton opening blade holder |
Cited By (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970778A (en) * | 1987-11-03 | 1990-11-20 | Amp Incorporated | Apparatus for connecting electrical connectors to cable |
US4987682A (en) * | 1989-07-17 | 1991-01-29 | Minnick Debra K | Safety device for utility knives and the like |
US5054198A (en) * | 1990-07-05 | 1991-10-08 | Cosco Industries, Inc. | Carton opener |
US5221031A (en) * | 1991-12-11 | 1993-06-22 | Prigmore Raymond L | Body-mounted cutting apparatus |
US5241750A (en) * | 1992-04-30 | 1993-09-07 | Chomiak Bryant D | Utility razor safety knife |
US5293791A (en) * | 1992-10-01 | 1994-03-15 | Allen Eldon D | Tool for stripping electrical high voltage cable insulation |
US5528832A (en) * | 1992-11-02 | 1996-06-25 | Great Neck Manufacturers, Inc. | Scraper |
US5319853A (en) * | 1992-11-02 | 1994-06-14 | Great Neck Saw Manufacturing, Inc. | Scraper |
US5285574A (en) * | 1992-11-06 | 1994-02-15 | Cosco Industries, Inc. | Carton opener |
US5478346A (en) * | 1992-11-14 | 1995-12-26 | Granton Ragg Limited | Scalpel |
US5386632A (en) * | 1993-01-12 | 1995-02-07 | Pacific Handy Cutter, Inc. | Ergonomic utility knife/box cutter and method of making |
US5303469A (en) * | 1993-04-15 | 1994-04-19 | Yin Han Huang | Cutter knife |
US5522135A (en) * | 1994-09-06 | 1996-06-04 | Spellbound Development Group | Box opener |
US5697157A (en) * | 1996-09-13 | 1997-12-16 | Spellbound Development Group | Heavy-duty box opener |
AU735011B2 (en) * | 1996-09-13 | 2001-06-28 | Votolato, Earl J. | Heavy-duty box opener |
US5852874A (en) * | 1997-02-19 | 1998-12-29 | Walker; Henry F. | Carton cutting device having a pivotal guard member |
US6308418B1 (en) | 1999-03-25 | 2001-10-30 | Gary B. Sweet | Utility knife |
US6178640B1 (en) | 1999-08-09 | 2001-01-30 | Spellbound Development Group, Inc. | Slitter device |
USD430466S (en) * | 1999-10-11 | 2000-09-05 | Schmidt G Gerry | Utility knife blade guard |
US6560873B1 (en) * | 1999-11-12 | 2003-05-13 | Mel Wayne Ortner | Automatic safety knife |
US6718637B1 (en) * | 1999-11-12 | 2004-04-13 | Mel Wayne Ortner | Automatic safety knife |
US20030229988A1 (en) * | 2000-06-08 | 2003-12-18 | Jennings Dale E. | Safety cutter with retracting guard |
US7024773B2 (en) * | 2000-06-08 | 2006-04-11 | Jennings Dale E | Safety cutter with retracting guard |
US6543140B1 (en) | 2000-07-05 | 2003-04-08 | Adco Industries | Utility knife having improved blade carrier structure and method of manufacture thereof |
US20030019337A1 (en) * | 2001-07-25 | 2003-01-30 | S Twenty One International, Inc | Cutting device and method of use |
US6637112B2 (en) | 2001-10-25 | 2003-10-28 | Dallco Marketing, Inc. | Box cutter with deflectable safety shield |
US20030079347A1 (en) * | 2001-10-25 | 2003-05-01 | Adco Industries, Inc. | Box cutter with deflectable safety shield |
US7024772B1 (en) * | 2001-11-21 | 2006-04-11 | Specmaster Inc. | Case knife with multiple position blade guards |
US20030140746A1 (en) * | 2002-01-31 | 2003-07-31 | Jyuro Yamagishi | Package opening cutter |
US6938343B2 (en) * | 2002-01-31 | 2005-09-06 | Paltac Corporation | Package opening cutter |
US7509742B2 (en) | 2002-11-19 | 2009-03-31 | Earl & Kimberly Votolato, Trustees Of The Votolato Living Trust | Safety cutting apparatus |
US7886443B2 (en) | 2002-11-19 | 2011-02-15 | Earl Votolato | Safety cutting apparatus |
US20100236076A1 (en) * | 2002-11-19 | 2010-09-23 | Earl Votolato | Safety cutting apparatus |
US20090223066A1 (en) * | 2002-11-19 | 2009-09-10 | Earl J. Votolato | Safety cutting apparatus |
US20040093734A1 (en) * | 2002-11-19 | 2004-05-20 | Earl Votolato | Safety cutting apparatus |
US7082688B2 (en) * | 2003-10-28 | 2006-08-01 | Earl J. Votolato | Utility knife with dual retractable cutting guides |
US20050086812A1 (en) * | 2003-10-28 | 2005-04-28 | Votolato Earl J. | Utility knife with dual retractable cutting guides |
US20050217114A1 (en) * | 2004-04-05 | 2005-10-06 | Earl Votolato | Disposable blade cartridge utility knife |
US8099868B1 (en) | 2004-04-05 | 2012-01-24 | Votolato Living Trust | Disposable blade cartridge utility knife |
US7475480B2 (en) * | 2004-04-05 | 2009-01-13 | The Votolato Living Trust | Disposable blade cartridge utility knife |
US20060277761A1 (en) * | 2005-06-13 | 2006-12-14 | Hagan John T | Saw tool |
US7516550B2 (en) | 2005-06-13 | 2009-04-14 | Textron Innovations Inc. | Saw tool |
US20100224046A1 (en) * | 2007-04-27 | 2010-09-09 | Howard George Osbourne | Saw guide |
US8479630B2 (en) * | 2007-04-27 | 2013-07-09 | W S Norman Engineering Limited | Saw guide |
US9840013B2 (en) | 2008-04-29 | 2017-12-12 | Pacific Handy Cutter, Inc. | Safety cutter with blade change/storage mechanism |
US20120124843A1 (en) * | 2010-11-24 | 2012-05-24 | Robert Reibold | Utility knife |
US20170275036A1 (en) * | 2016-03-28 | 2017-09-28 | Pregis Innovative Packaging Llc | Blade holder for inflation and sealing device |
US10974858B2 (en) * | 2016-03-28 | 2021-04-13 | Pregis Innovative Packaging Llc | Blade holder for inflation and sealing device |
US20210229851A1 (en) * | 2016-03-28 | 2021-07-29 | Pregis Innovative Packaging Llc | Blade holder for inflation and sealing device |
US11691774B2 (en) * | 2016-03-28 | 2023-07-04 | Pregis Innovative Packaging Llc | Blade holder for inflation and sealing device |
CN108438395A (en) * | 2016-08-22 | 2018-08-24 | 徐勤凤 | Flexible bale breaker |
AU2021204980A1 (en) * | 2021-07-12 | 2023-02-02 | Industro International Co., Ltd. | Safe box cutter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: VARIED DIVERSIFIED PRODUCTS, INC., A CORP. OF MISS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DUBUQUE, THOMAS;REEL/FRAME:004783/0803 Effective date: 19871104 Owner name: VARIED DIVERSIFIED PRODUCTS, INC., A CORP. OF MISS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DUBUQUE, THOMAS;REEL/FRAME:004783/0803 Effective date: 19871104 |
|
AS | Assignment |
Owner name: DOERGE, CHARLES, L., 2320 SOUTHERN HILLS, MEXICO, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VARIED DIVERSIFIED PRODUCTS, INC.;REEL/FRAME:004925/0858 Effective date: 19880630 Owner name: DOERGE, CHARLES, L., MISSOURI Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VARIED DIVERSIFIED PRODUCTS, INC.;REEL/FRAME:004925/0858 Effective date: 19880630 |
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